201072560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{487}}^1$

素因数の和:910

約数の個数: 80

約数和(自身を含む): 505759296

約数和(自身を除く): 304686736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 397, 487, 520, 794, 974, 1040, 1588, 1948, 1985, 2435, 3176, 3896, 3970, 4870, 5161, 6331, 6352, 7792, 7940, 9740, 10322, 12662, 15880, 19480, 20644, 25324, 25805, 31655, 31760, 38960, 41288, 50648, 51610, 63310, 82576, 101296, 103220, 126620, 193339, 206440, 253240, 386678, 412880, 506480, 773356, 966695, 1546712, 1933390, 2513407, 3093424, 3866780, 5026814, 7733560, 10053628, 12567035, 15467120, 20107256, 25134070, 40214512, 50268140, 100536280, 201072560]

約数ペア:

[(1, 201072560), (2, 100536280), (4, 50268140), (5, 40214512), (8, 25134070), (10, 20107256), (13, 15467120), (16, 12567035), (20, 10053628), (26, 7733560), (40, 5026814), (52, 3866780), (65, 3093424), (80, 2513407), (104, 1933390), (130, 1546712), (208, 966695), (260, 773356), (397, 506480), (487, 412880), (520, 386678), (794, 253240), (974, 206440), (1040, 193339), (1588, 126620), (1948, 103220), (1985, 101296), (2435, 82576), (3176, 63310), (3896, 51610), (3970, 50648), (4870, 41288), (5161, 38960), (6331, 31760), (6352, 31655), (7792, 25805), (7940, 25324), (9740, 20644), (10322, 19480), (12662, 15880)]